Burkert – Type BBS-10 Sterile Check Valve

Sterile check valve

These sterile check valves are designed for fluids and steam. The design is such that the flow direction is selectable; that makes installation and simple and very cost effective. The latest standards in the biopharmaceutical markets are met. The construction provides a continuous flushing and the unique feature of the eccentric checkvalve is that it can be mounted in the vertical position and will self drain until empty providing the correct angle is achieved according to standard installation techniques. All BBS-10 check valves are suitable for a wide range of duties in many of the applications listed below.

type bbs-10

General Technical Data

Technical data
Available standard sizes	ISO DN08 to DN100 BS-OD DN1/4″ to DN4″ DIN DN08 to DN100 Customized on request
Material medium contact	Stainless steel 1.4435 BN2 (316L) Ball cap made of PTFE Spring: 1.4401 Special materials on request
Material medium separated	1.4305 or equivalent
Ball	1.4435 BN2 stainless steel with PTFE-Ball
Seals	O-Ring, EPDM, FEP, special sealing materials on re-quest
Surface quality	Medium contacted surface < Ra 0.8 μm, electro polished, finer surface on request
Operating temperature	depending on the chosen seal material
Ambient temperature	– 20 to + 80 °C
Media	Liquids
Design, operating pressure	– 1 to + 16 bar (operating pressure – 1 to + 8 bar) Standard opening pressure 0.2 bar Higher or lower pressures on request
Applicable Standards	Pipe connection acc. to DIN 11866 ISO-Dimension Series B (ISO 4200) BS-OD-Dimension Series C (ASME BPE) DIN-Dimension Series A (DIN 11850) Conformity assessment acc. to DGRL 97-25-EG
Certifications	Material 3.1 FDA for all the stated seal materials USP VI for EPDM, FEP, PTFE

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